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<?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>E.305. Release 7.4.6</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets V1.79.1" /><link rel="prev" href="release-7-4-7.html" title="E.304. Release 7.4.7" /><link rel="next" href="release-7-4-5.html" title="E.306. Release 7.4.5" /></head><body><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">E.305. Release 7.4.6</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="release-7-4-7.html" title="E.304. Release 7.4.7">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="release.html" title="Appendix E. Release Notes">Up</a></td><th width="60%" align="center">Appendix E. Release Notes</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 11.1 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="release-7-4-5.html" title="E.306. Release 7.4.5">Next</a></td></tr></table><hr></hr></div><div class="sect1" id="RELEASE-7-4-6"><div class="titlepage"><div><div><h2 class="title" style="clear: both">E.305. Release 7.4.6</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="sect2"><a href="release-7-4-6.html#id-1.11.6.309.4">E.305.1. Migration to Version 7.4.6</a></span></dt><dt><span class="sect2"><a href="release-7-4-6.html#id-1.11.6.309.5">E.305.2. Changes</a></span></dt></dl></div><p><strong>Release date: </strong>2004-10-22</p><p> This release contains a variety of fixes from 7.4.5. For information about new features in the 7.4 major release, see <a class="xref" href="release-7-4.html" title="E.311. Release 7.4">Section E.311</a>. </p><div class="sect2" id="id-1.11.6.309.4"><div class="titlepage"><div><div><h3 class="title">E.305.1. Migration to Version 7.4.6</h3></div></div></div><p> A dump/restore is not required for those running 7.4.X. </p></div><div class="sect2" id="id-1.11.6.309.5"><div class="titlepage"><div><div><h3 class="title">E.305.2. Changes</h3></div></div></div><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>Repair possible failure to update hint bits on disk</p><p> Under rare circumstances this oversight could lead to <span class="quote">“<span class="quote">could not access transaction status</span>”</span> failures, which qualifies it as a potential-data-loss bug. </p></li><li class="listitem"><p>Ensure that hashed outer join does not miss tuples</p><p> Very large left joins using a hash join plan could fail to output unmatched left-side rows given just the right data distribution. </p></li><li class="listitem"><p>Disallow running <span class="application">pg_ctl</span> as root</p><p> This is to guard against any possible security issues. </p></li><li class="listitem"><p>Avoid using temp files in <code class="filename">/tmp</code> in <code class="command">make_oidjoins_check</code></p><p> This has been reported as a security issue, though it's hardly worthy of concern since there is no reason for non-developers to use this script anyway. </p></li><li class="listitem"><p>Prevent forced backend shutdown from re-emitting prior command result</p><p> In rare cases, a client might think that its last command had succeeded when it really had been aborted by forced database shutdown. </p></li><li class="listitem"><p>Repair bug in <code class="function">pg_stat_get_backend_idset</code></p><p> This could lead to misbehavior in some of the system-statistics views. </p></li><li class="listitem"><p>Fix small memory leak in postmaster</p></li><li class="listitem"><p>Fix <span class="quote">“<span class="quote">expected both swapped tables to have TOAST tables</span>”</span> bug</p><p> This could arise in cases such as CLUSTER after ALTER TABLE DROP COLUMN. </p></li><li class="listitem"><p>Prevent <code class="literal">pg_ctl restart</code> from adding <code class="literal">-D</code> multiple times</p></li><li class="listitem"><p>Fix problem with NULL values in GiST indexes</p></li><li class="listitem"><p><code class="literal">::</code> is no longer interpreted as a variable in an ECPG prepare statement</p></li></ul></div></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="release-7-4-7.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="release.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="release-7-4-5.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">E.304. Release 7.4.7 </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> E.306. Release 7.4.5</td></tr></table></div></body></html>